Home / 980,178.80-1,469,490.60-536,946.80

Finding the Fourth Proportional to 980,178.80, 1,469,490.60 and 536,946.80

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Solution

The fourth proportional to 980,178.80, 1,469,490.60 and 536,946.80 is: 804,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,178.80 : 1,469,490.60 = 536,946.80 : x
  2. Step 2: Convert to fraction form
    980,178.80/1,469,490.60 = 536,946.80/x
  3. Step 3: Cross multiply
    980,178.80x = 1,469,490.60 × 536,946.80
  4. Step 4: Simplify right side
    980,178.80x = 789,038,275,300.08
  5. Step 5: Solve for x
    x = 789,038,275,300.08/980,178.80
  6. Step 6: Final answer
    x = 804,994.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.